chore: add cors dependency to package.json

Author: olaservo

package-lock.json

@@ -23,6 +23,7 @@
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.19.1",
+    "cors": "^2.8.5",
     "express": "^4.21.1",
     "jszip": "^3.10.1",
     "zod": "^3.23.8",